Solar System

2. one complete trip if a planet around the Sun
4. a small, rocky object that orbits the Sun
7. a small piece of matter from outer space that becomes a streak of light when burned up
9. the average distance from Earth to the Sun--- around 150 million kilometers
10. an object that orbits a star and is nearly spherical in shape but isn't classified as a satellite
11. a small, dusty, icy object that orbits the Sun
12. an object that orbits a star that is large enough to be nearly spherical & that has no other larger object in its path

1. in a region of space located past Neptune
2. the spinning motion of the Earth on its axis, which runs from the North to the South
3. the distance from a star at which liquid water could exist on orbiting planet surfaces
5. most distant region of our Solar System
6. force by which a planet or other body draws object toward its center
7. a natural satellite of a planet
8. the star in the center of our solar system around which the planets revolve & receive light